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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities
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CVE-2020-24685 Detail

Description

An unauthenticated specially crafted packet sent by an attacker over the network will cause a denial-of-service (DoS) vulnerability. Vulnerability allows attacker to stop the PLC. After stopping (ERR LED flashing red), physical access to the PLC is required in order to restart the application. This issue affects: ABB AC500 V2 products with onboard Ethernet version 2.8.4 and prior versions.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://search.abb.com/library/Download.aspx?DocumentID=3ADR010667&LanguageCode=en&DocumentPartId=&Action=Launch Patch  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-770 Allocation of Resources Without Limits or Throttling cwe source acceptance level NIST  
CWE-789 Memory Allocation with Excessive Size Value Asea Brown Boveri Ltd. (ABB)  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-24685
NVD Published Date:
02/08/2021
NVD Last Modified:
02/16/2021
Source:
Asea Brown Boveri Ltd. (ABB)